Your doctor will provide one after surgery. However you’d be wise to pick up these two things. The doctor will charge a lot for a very disposable wrap.

A vest - https://www.amazon.com/dp/B07WYD9QYP?ref=ppx_pop_mob_ap_share

And an extra compression wrap - this is super tight - Healthcom Pro Waist Trimmer... https://www.amazon.com/dp/B019YZB02S?ref=ppx_pop_mob_ap_share

I bought two of each as I got lypo on my chest and stomach in addition to gland removal. These served me well and I never bruised.